[postgis-users] GEOSSymDifference error in st_changeedgegeom

[Sandro Santilli]

On Tue, Jan 15, 2013 at 05:48:32PM +0100, Sandro Santilli wrote:
> On Tue, Jan 15, 2013 at 04:42:24PM +0100, Paolo Crosato wrote:
> > Hi,
> > 
> > while working on simplifying my topology, I got an error in
> > st_changeedgegeom near line 180, at this point:
> > 
> >   range := ST_SymDifference(range, tmp2);
> 
> [...]
> 
> > ERROR: GEOSSymDifference: TopologyException: found non-noded
> > intersection between LINESTRING (-1.14793 47.7749, -1.14793 47.7749)
> > and LINESTRING (-1.14793 47.7749, -1.14793 47.7749) at
> > -1.1479299999999952 47.774900000000002
> 
> Thank you for the report. I filed a ticket for GEOS about this:

I just realized I missed to report it.

This is the GEOS ticket:
 http://trac.osgeo.org/geos/ticket/614

And this is the PostGIS ticket:
 http://trac.osgeo.org/postgis/ticket/2176

--strk;